[A new fitness requirements for vision in the merchant marine].
D003118:Color Perception; D005104:Expert Testimony; D005860:Germany, West; D006801:Humans; D008297:Male; D009326:Naval Medicine; D010809:Physical Fitness; D014787:Vision Tests; D014785:Vision, Ocular; D014792:Visual Acuity
Die neuen Tauglichkeitsanforderungen an das Sehvermögen in der Handelsschiffahrt.